Siding element



FIG. 1 is a end view of a siding element showing our new design; and,

FIG. 2 is a front perspective view thereof.

The broken line showing of the depicted far edge of the siding element is for environmental purposes only and forms no part of the claimed design. Unshown portions of the siding element including the interior of the siding element form no part of the claimed design. 

The ornamental design for a siding element, as shown and described. 